Auxiliary condenser and cooler



W. H. HOFF.

AUXILIARY CONDENSER AND COOLER. APPLICATION FILED APR. 1, 1919.

9,526. Patented Feb. 22, 1921.-

ATTORN E'Y PATENT OFFICE.

WILLIAM H. HOFF, OF SAN FRANCISCO, CALIFORNIA.

AUXILIJeEY CONDENSER AND COOLER.

' Specification of Letters Patent.

Patented Feb. 22, 1921.

Application filed April 1, 1919. Serial No. 286,733.

To all whom it may concern:

Be it known that 1, WILLIAM H. Horn, citizen of the United States, residing at San Francisco, in the county of San Francisco and State of California, have invented new and useful Improvements in Auxiliary Condensers and Coolers, of which the following is a specification.

This invention relates to an auxiliary condenser and cooler which is especially adapted for use in conjunction with automobile radiators.

One of the objects of the present invention is to provide a simple, substantial and cheaply manufactured air condenser and cooler for automobile radiators which may be attached to and form a part of the screw cap forming the cover for the filling opening of the radiator.

Another object of the invention is to provide a device of the character described which will insure a perfect condensation of all the steam generated which under ordi nar circumstances would escape from .the radiator, and furthermore to provide a condenser and cooler which insures a perfect cooling of the condensed water before it is returned to radiator, thereby cooling the contents of the radiator and to a large extent preventing overheating of the engine and boiling of the radiator.

Another object of the invention is to provide means which permits circulation of cool air both through the condenser and the cooler, and also through the radiator proper,

thus" further insuring cooling of the water within the radiator.

Further objects will hereinafter appear. The invention consists of the parts and the construction, combination and arrangement of parts as hereinafter more fully described and claimed, having reference to the accompanying drawings in which- Figure 1 is a central vertical section of the auxiliary condenser and cooler.

Fig. 2 is a cross section on line 2-2 of Fig. 1. r

Referring to the drawings in detail: A indicates the screw cap which is usually employed for closing the filling opening of a radiator. end of this cap is avertically extendingpipe 2, the upper end of which is closed by the means of a baffle-plate 3 soldered or otherwise secured thereto. Formed in the pipe below said plateis a pl rality' of -radially Suitably secured on the upper disposed perforations 4: and secured on the lower end of the pipe within the cap A is a bafile plate 5. Formed integral with the pipe or otherwise secured. thereto are a series of annularly disposed cooling ribs or flanges 6, and surrounding the pipe 2 area pair of cooling coils 7 and 8. Suitably secured on the upper end of the pipe 2'isa spherical shaped head member 9. This head member incloses the upper end of the pipe and 1s.in this instance connected with the upper ends of the coils 7 and 8, as shown at 10 and 11; the lower ends'of the respective coils being connected with the screw cap A, as shown at 12 and 13. Formed in each side of the spherical shaped head member 9 at points opposite to each other are a pair of openings 14 and 15 and connecting said openings 1s a coil 16 through which air is 76 adapted to freely circulate as will hereinafter be described. Formed in the upper end of the head member are inlet openings 17 and surrounding said openings and directed forwardly is adeflecting plate 18, and 80 suitably secured within the head member,

and positioned below the inlet openings 17 are a pair of superposed perforated plates 19 and 20. I V

The operation of the deviceas a whole will be as follows: With the screw cap A placed in position over the filling opening. of a radiator it can readily be seen that the steam liberated within the radiator will have a tendency to escape upwardly through the pipe 2, being directed into said pipe by means of the ba-fiie plate 5. Normal quantities of steam passing upwardly through said pipe will have atendency to condense before it reaches the upper end and escapes through the perforations 1 into the spherical head member 9, It may therefore be stated that under ordinary conditions most steam will condense directly in pipe 2, due

to the large cooling area presented, and will therefore drain directly back into the radiator. A great quantity of steam generated will however escape through the upper end of the pipe or the perforations 4 and will therefore enter the head member 9 which in 166 I itself presents a large cooling and condensing surface. The steam escaping into the head member will not only be affected by. the large interior surface presented, but it will also be acted upon by the coil 16, asllc air is constantly passing through this cell and maintaining it cool. Steam will. also Y the pipe same, a head member inclosing be affected by the perforated plates 19 and 20, as these are kept cool by air entering through the opening 17 and the steam will further be affected by the cool air entering through said opening and the perforated plam. Practically any quantity of steam generated .can therefore be taken care of as densed in the pipe 2, and if an Y escapes into the head member it will most likely be condensed before escaping as ample means are provided .for insuring condensation. The water condensed and precipitated in the chamber formed within the head member is permitted to drain back to the radiator throu h the connections 10 and 11 and the coils% and 8 connected therewith. These coils are constantly exposed to free circulation of cool air when the automobile is in motion. It can readily be seen that the water will be thoroughly cooled before it reaches the radiator, thus materially assist-- ing in coolin the contents thereof and preventing ovor eating of the engine and boiling of the water. The water within .the radiator is also affected by the cool air admitted through the opening 17, as the defleeting plate 18 surrounding said opening is SO shaped that it produces a material pressure within the head member, thus permitting the air to pass downwardly through 2, the coils 7 and 8 and enter the radiator. It will here produce cooling action when passing over the surface of the water, as it is finally permitted toescape through the vent or overflow pige with which all radiators are equipped. onstant circulation of cool air over the surface ofthe water contained within the radiator is thus insured which materially reduces the temperature of the same. A

Actual experience has proven that a device of this character when applied to a radiator is so effective that automobiles equipped with radiators which ordinarily have a tendency to boil when climbing grades of any extent have failed to show. any signs of overheating. I therefore wish it understood that while a more or less spe cific design in construction is here shown, it may be varied to suit different applications, and I also wish it understood that the materials and finish of the several parts employed may be such as the experience and judgment of the manufacturer may dictate.

Having thus described my invention, what I claim .and desire to secure by Letters Patent is- 1. The combination with an automobile radiator having a filling opening and cap therefor, of a vertically positioned tube secured in the cap and extending above the end of the tube, means forming adrain consection between the head member and the of the tube,

the upper..

.' formed in the head fleeting plate surrounding said fopening adapted to direct the current of air through the opening and downwardly through the head, the tube and the cap supporting the same. considerable quantities will first be con- 2. The combination with a radiator having a filling opening and a cap therefor, of a vertically positioned tube secured in the cap and'extending above the same, a head member inclosing. the upper end of the tube, cooling ribs formed on the exterior surface of the tube, a coil surrounding the saidtube communicating at its upper ends with the in terior of the head member and at its lower end with the interior of the cap, and an vertical tube and within the cap.-

3. The combination with a radiator having a fillmgopening and a cap therefor, of

, annular baflie plate on the lower end of. the I a vertically positioned tube secured in the --ing a filling opening anda cap therefor, of

'a vertically positioned tube secured in the cap and extending therethrough, .a head member inclosing the upper end of the tube, cooling ribs formed on the exterior surface of the tube, a coil surrounding the said tube communicating at its upper end with the interior of the head member and at its lower end with the interior of the cap, means produc ing a downward current of air through the head member, the'tube and the cap, said means comprising an air inlet opening formed in the face of the head member and a deflecting plate surrounding said opening adapted to direct the air current inwardly through said opening.

5. The combination with a radiator having a filling opening and a cap therefor, of a vertically positioned tube secured in the cap and extending therethrough, a head member inclosing the upper end of the tube, cooling ribs formed on the exterior surface communicating terior of the head member and at its lower end with the interior of the cap; a pair of openings formed in the head memberoppm site to each other, one in the forward face and one in the real-{face thereof, a coil within the head fnbmber' communicating with'said bpenings,

and a deflecting plate a coil surrounding the said tubeat its upper end with the inan airinlet openingsurrounding said opening adapted to direct a current of air downwardly through the head member, the coil contained therein, the tube and the radiator cap.

6. The combination with a radiator having a filling opening and the cap therefor, of a vertically positioned tube secured in a cap and extending therethrough, a head member inclosing the upper end of thetube,

cooling ribs formed on the exterior surface of the tube, and a coil surrounding the said tube communicating at its upper endQwith' the interior of the head member and'at its lower end with the interior of thecap; a pair of openings formed in the head 1nen1- ber opposite to each other, one in. the for Ward face and one in the rear face thereof, a coil Within the head member communicating with said openings, an air inlet opening formed in the head, a deflecting plate sur- In testimony whereof I have hereunto set my hand in the presence of two subscribing '35 witnesses.

\VILLIAM H. HOFF. lVitnesses 2 W. W. HEALEY, M. E. EWING. 

